When selecting different current sampling resistors, the main concern is of course temperature drift. Usually the deviation of the resistor can be calibrated out as the gain error of the operational a...
LTspice can be pulled in directly
For details on how to generate the library, please refer to the followingLTSPICE Devices and Libraries1.TL494
2.uc3825
3.sg3525
4.uc3527a
5.hcpl3180
6.k554ud2
7.moc30...
MPS EVM38111-R-00A : Dual-channel 6V, 1A, synchronous buck power module evaluation board with integrated inductor (value: 179.75 yuan) is an evaluation board used to demonstrate the performance of the...
[i=s]This post was last edited by Wuzu Simeng on 2022-11-22 23:05[/i]After unpacking it for a week, I found that this weight loss tool is really good. I successfully lost 0.5 kg, but I gained it back ...
This post uses common commands to perform some tests.
Get CPU temperature information
The V853 chip has a Temperature Monitor module inside.
cat /sys/class/thermal/thermal_zone0/temp
result
The displa...
Test SD card reading and writing, switch USB to Host mode
cat /sys/devices/platform/soc/usbc0/usb_hostInsert SD card promptAutomatically mount to /mnt/sdcardthe directorydd copy command
The dd command...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Analog electronics
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